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JEEMAIN-2016
The most appropriate method of making egg-albumin sol is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
The artificial sweetener that has the highest sweetness value in comparison to cane sugar is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
Consider the following sequence for aspartic acid :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
The test to distinguish primary, secondary and tertiary amines is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
Bouveault-Blanc reduction reaction involves :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
The gas evolved on heating $CH_3MgBr$ in methanol is
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
$5\; L$ of an alkane requires $25\; L$ of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
An organic compound contains C, H and S. The minimum molecular weight of the compound containing $8\%$ sulphur is : (atomic weight of $S=32 amu$)
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
Two stars are 10 light years away from the earth. They are seen through a telescope of objective diameter 30cm. The wavelength of light 600 nm. To see the stars just resolved by the telescope, the minimum distance between them should be (1 light year = $9.46 \times 10^{15} m$) of the order of :
jeemain 2016 physics set c 10042016
asked
May 24, 2017
by
priyanka.c
1
answer
A hemispherical glass body of radius $10 cm$ and refractive index $1.5$ is silvered on its curved surface. A small air bubble is $6 cm$ below the flat surface inside it along the axis. The position of the image of the air bubble made by the mirror is seen:
jeemain 2016 physics set c 10042016
asked
May 24, 2017
by
priyanka.c
1
answer
Consider an electromagnetic wave propagating in vacuum. Choose the correct statement :
jeemain 2016 physics set c 10042016
asked
May 24, 2017
by
priyanka.c
1
answer
A conducting metal circular-wire-loop of radius $r$ is placed perpendicular to a magnetic field which varies with time as $B = B_0 e^{-t/τ} $= , where $B_0$ and $τ$ are constants, at time $t=0$. If the resistance of the loop is $R$ then the heat generated in the loop after a long time $( t →\propto)$ is :
jeemain 2016 physics set c 10042016
asked
May 24, 2017
by
priyanka.c
1
answer
A fighter plane of length $20 m$, wing span (distance from tip of one wing to the tip of the other wing) of $15 m$ and height $5 m$ is flying towards east over Delhi. Its speed is $240 ms^{−1}$. The earth’s magnetic field over Delhi is $5×10^{−5} T$ with the declination angle $~0^0$ and dip of $θ$ such that $\sin θ = \frac{2}{3}$. If the voltage developed is $V_B$ between the lower and upper side of the plane and $V_W$ between the tips of the wings then $V_B$ and $V_W$ are close to :
jeemain 2016 physics set c 10042016
asked
May 24, 2017
by
priyanka.c
1
answer
BOD stands for :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Identify the correct trend given below : (Atomic No.= $Ti : 22, Cr : 24$ and $Mo : 42$)
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Which one of the following complexes will consume more equivalents of aqueous solution of $Ag(NO_3)$ ?
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Which one of the following species is stable in aqueous solution?
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The group of molecules having identical shape is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Match the items in Column I with its main use listed in Column II :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The correct order of the solubility of alkaline-earth metal sulphates in water is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Identify the incorrect statement regarding heavy water :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Consider a thin metallic sheet perpendicular to the plane of the paper moving with speed $'v'$ in a uniform magnetic field B going into the plane of the paper (see figure) . If charge densities $\sigma _1$ and $\sigma_2$ are induced on the left and right surfaces, respectively, of the sheet then (ignore fringe effects) :
jeemain 2016 physics set c 10042016
asked
May 24, 2017
by
priyanka.c
1
answer
The plot shows the variation of −ln Kp versus temperature for the two reactions.
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The non-metal that does not exhibit positive oxidation state is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
A particular adsorption process has the following characteristics : (i) It arises due to van der Waals forces and (ii) it is reversible. Identify the correct statement that describes the above adsorption process :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The reaction of ozone with oxygen atoms in the presence of chlorine atoms can occur by a two step process shown below :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
What will occur if a block of copper metal is dropped into a beaker containing a solution of $1\;M\; ZnSO_4$ ?
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Assertion : Rayon is a semisynthetic polymer whose properties are better than natural cotton. <br> Reason : Mechanical and aesthetic properties of cellulose can be improved by acetylation.
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
For the reaction, $A(g)+B(g) \to C(g)+D(g), \; \Delta H^0$ and $\Delta S^0$ are,respectively, $−29.8\; kJ\; mol^{−1}$ and $−0.100\; kJ K^{−1} mol^{−1}$ at $298\; K$. The equilibrium constant for the reaction at $298\; K$ is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The solubility of $N_2$ in water at $300\; K$ and $500\;torr$ partial pressure is $0.01 \;g\; L^{−1}$. The solubility (in g L−1) at 750 torr partial pressure is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
A reaction at 1 bar is non-spontaneous at low temperature but becomes spontaneous at high temperature. Identify the correct statement about the reaction among the following :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Which intermolecular force is most responsible in allowing xenon gas to liquefy ?
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The total number of orbitals associated with the principal quantum number 5 is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
At very high pressures, the compressibility factor of one mole of a gas is given by :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The amount of arsenic pentasulphide that can be obtained when $35.5\;g$ arsenic acid is treated with excess $H_2S$ in the presence of conc. $HCl$ ( assuming 100% conversion) is
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The resistance of an electrical toaster has a temperature dependence given by $ R(T)=R_0 [1+α(T−T_0)] $ in its range of operation. At $T_0=300 K, R=100 Ω $and at$ T=500 K, R=120 Ω$. The toaster is connected to a voltage source at $200 V$ and its temperature is raised at a constant rate from $300$ to $ 500 K$ in $30 s$. The total work done in raising the temperature is
jeemain 2016 physics set c 10042016
asked
May 23, 2017
by
priyanka.c
1
answer
Figure shows a network of capacitors where the numbers indicates capacitances in micro Farad. The value of capacitance $C$ if the equivalent capacitance between point $A$ and $B$ is to be $1 µF$ is :
jeemain 2016 physics set c 10042016
asked
May 23, 2017
by
priyanka.c
1
answer
An unknown transistor needs to be identified as a $npn$ or $pnp$ type. A multimeter, with $+ve$ and $−ve$ terminals, is used to measure resistance between different terminals of transistor. If terminal 2 is the base of the transistor then which of the following is correct for a $pnp$ transistor ?
jeemain
2016
physics
set b
09042016
asked
May 23, 2017
by
meena.p
1
answer
An experiment is performed to determine the $I - V$ characteristics of a Zener diode,which has a protective resistance of $R=100 \Omega$, and a maximum power of dissipation rating of $1 \;W$. The minimum voltage range of the DC source in the circuit is :
jeemain
2016
physics
set b
09042016
asked
May 23, 2017
by
meena.p
1
answer
Within a spherical charge distribution of charge density $ρ(r), N $ equipotential surfaces of potential $V_0, V0+∆V, V_0+2∆V, .......... V_0+N∆V (∆V>0)$, are drawn and have increasing radii$ r_0, r_1, r_2,..........r_N$, respectively. If the difference in the radii of the surfaces is constant for all values of $V_0$ and $∆V$ then :
jeemain 2016 physics set c 10042016
asked
May 23, 2017
by
priyanka.c
1
answer
A toy-car, blowing its horn, is moving with a steady speed of $5 m/s$, away from a wall. An observer, towards whom the toy car is moving, is able to hear $5$ beats per second. If the velocity of sound in air is $340 m/s$, the frequency of the horn of the toy car is close to :
jeemain 2016 physics set c 10042016
asked
May 23, 2017
by
priyanka.c
1
answer
In an engine the piston undergoes vertical simple harmonic motion with amplitude $7 cm$. A washer rests on top of the piston and moves with it. The motor speed is slowly increased. The frequency of the piston at which the washer no longer stays in contact with the piston, is close to :
jeemain 2016 physics set c 10042016
asked
May 23, 2017
by
priyanka.c
1
answer
To find the focal length of a convex mirror, a student records the following data :The focal length of the convex lens is $f_1$ and that of mirror is $f_2$. Then taking index correction to be negligibly small, $f_1$ and $f_2$ are close to :
jeemain
2016
physics
set b
09042016
asked
May 23, 2017
by
meena.p
1
answer
Which of the following shows the correct relationship between the pressure $‘P’$ and density $ρ$ of an ideal gas at constant temperature ?
jeemain 2016 physics set c 10042016
asked
May 23, 2017
by
priyanka.c
1
answer
To know the resistance G of a galvanometer by half deflection method, a battery of emf $V_E$ and resistance $R$ is used to deflect the galvanometer by angle $\theta$. If a shunt of resistance $S$ is needed to get half deflection then $G, R$ and $S$ are related by the equation :
jeemain
2016
physics
set b
09042016
asked
May 23, 2017
by
meena.p
1
answer
A uniformly tapering conical wire is made from a material of Young’s modulus $Y$ and has a normal, unextended length $L$. The radii, at the upper and lower ends of this conical wire, have values $R$ and $3R$,respectively. The upper end of the wire is fixed to a rigid support and a mass $M$ is suspended from its lower end. The equilibrium extended length, of this wire,would equal :
jeemain
2016
physics
set b
09042016
asked
May 23, 2017
by
meena.p
1
answer
A carnot freezer takes heat from water at $0^oC$ inside it and rejects it to the room at a temperature of $27^oC$. The latent heat of ice is $336 \times 10^3 J kg^{-1}$. The latent heat of ice is $336 \times 10^3 J kg$. If $5 kg$ of water at $ 0^oC $ is converted into ice at $0^oC$ by the freezer, then the energy consumed by the freezer is close to :
jeemain-2016 physics set c 10042016
asked
May 23, 2017
by
priyanka.c
1
answer
A simple pendulum made of a bob of mass m and a metallic wire of negligible mass has time period $2\;s$ at $T=0^{\circ}C$. If the temperature of the wire is increased and the corresponding change in its time period is plotted against its temperature, the resulting graph is a line of slope $S$. If the coefficient of linear expansion of metal is $\alpha$ then the value of $S$ is :
jeemain
2016
physics
set b
09042016
asked
May 23, 2017
by
meena.p
1
answer
An audio signal consists of two distinct sounds : one a human speech signal in the frequency band of $200\; Hz$ to $2700\; Hz$, while the other is a high frequency music signal in the frequency band of $10200\; Hz$ to $15200\; Hz$. The ratio of the AM signal bandwidth required to send both the signals together to the AM signal bandwidth required to send just the human speech is :
jeemain
2016
physics
set b
09042016
asked
May 23, 2017
by
meena.p
1
answer
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